body {

    overflow: scroll;
    background-color: #f3f5f7;
    background-image: url(./imags/bglogin.png);
    background-repeat: no-repeat;
    background-size: 80%;
    /* box-sizing: border-box; */
}

.header {
    height: 50px;
    background-color: gray;
    opacity: 0.7;
    display: flex;
    justify-content:space-between;
}
* {
    list-style: none;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
.loname{
    padding-top:13px ;
    font-size: 22px;
    height: 100%;
    display: flex;
}
.logo{
    margin-top: 7px;
    display: flex;
    height: 100%;
    background-size: 50px;
    background-image: url(./imags/logo.png);
    background-repeat: no-repeat;
}
.u-1 {
    display: flex;
    width: 500px;
    margin-left: 50px;
}
.u-1 li:nth-child(2){
    width: 50px;
}
.header li{
    width: 100px;
}
li a {
    display:flex;
    justify-content: center;
    align-items: center;
    width:100px;
    height: 50px;
    color: white;
    text-decoration: none;
    transition: all 1s;
}

.u-2 {
    display: flex;
    width: 200px;
    margin-left: 100px;
}
li a:hover {
    border-radius: 80px;
    color: #f3f5f7;
    background-color:orange;
}

.box1 {
    background-color: #f0f0f4;
    border-radius: 10px;
    filter: drop-shadow(-6px 0px 1px gray);
    text-align: center;
    margin-top: 100px;
    padding-top: 50px;
    width: 400px;
    height: 500px;
    opacity: 0.75;

}

#sub:hover {
    opacity: 0.8;
}

input {
    text-indent: 1em;
    height: 40px;
    width: 300px;
    color: black;
    border-radius: 10px;
}

.u-3 li {
    transition: all 1s;
    height: 50px;
    width: 50px;
    background-repeat: no-repeat;
}

.u-3 li:nth-child(1) {
    background-size: 50px;
    background-image: url(./imags/QQ1.png);
}

.u-3 li:nth-child(1):hover {
    background-size: 50px;
    background-image: url(./imags/QQ2.png);
}

.u-3 li:nth-child(2) {
    background-size: 55px;
    background-image: url(./imags/zhifubao1.png);
}

.u-3 li:nth-child(2):hover {
    background-size: 55px;
    background-image: url(./imags/zhifubao2.png);
}

.u-3 li:nth-child(3) {
    margin-top: 5px;
    background-size: 45px;
    background-image: url(./imags/xinlang1.png);
}

.u-3 li:nth-child(3):hover {
    margin-top: 5px;
    background-size: 45px;
    background-image: url(./imags/xinlang2.png);
}

.box1-f {
    display: flex;
    justify-content: end;
}

input {
    margin-left: 1px;
    display: inline-block;
}

.email {
    padding-right: 0px;
    margin: -28px auto;
    margin-right: 1px;
    display: inline-block;
    background-size: 70%;
    width: 40px;
    height: 50px;
    background-repeat: no-repeat;
    background-image: url(./imags/email-fill.png);
}

.psd {
    padding-right: 0px;
    margin: -28px auto;
    margin-right: 1px;
    display: inline-block;
    background-size: 70%;
    width: 40px;
    height: 50px;
    background-repeat: no-repeat;
    background-image: url(./imags/mima1.png);
}
